Home / 18,071.28-27,246.24-17,958.96

Finding the Fourth Proportional to 18,071.28, 27,246.24 and 17,958.96

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Solution

The fourth proportional to 18,071.28, 27,246.24 and 17,958.96 is: 27,076.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,071.28 : 27,246.24 = 17,958.96 : x
  2. Step 2: Convert to fraction form
    18,071.28/27,246.24 = 17,958.96/x
  3. Step 3: Cross multiply
    18,071.28x = 27,246.24 × 17,958.96
  4. Step 4: Simplify right side
    18,071.28x = 489,314,134.31
  5. Step 5: Solve for x
    x = 489,314,134.31/18,071.28
  6. Step 6: Final answer
    x = 27,076.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.